Home / 67,070.05-92,551.24-38,777.56

Finding the Fourth Proportional to 67,070.05, 92,551.24 and 38,777.56

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Solution

The fourth proportional to 67,070.05, 92,551.24 and 38,777.56 is: 53,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,070.05 : 92,551.24 = 38,777.56 : x
  2. Step 2: Convert to fraction form
    67,070.05/92,551.24 = 38,777.56/x
  3. Step 3: Cross multiply
    67,070.05x = 92,551.24 × 38,777.56
  4. Step 4: Simplify right side
    67,070.05x = 3,588,911,262.17
  5. Step 5: Solve for x
    x = 3,588,911,262.17/67,070.05
  6. Step 6: Final answer
    x = 53,509.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.